100201020320 has 96 divisors (see below), whose sum is σ = 239217608448. Its totient is φ = 39659010048.

The previous prime is 100201020307. The next prime is 100201020377. The reversal of 100201020320 is 23020102001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37853237 + ... + 37855883.

It is an arithmetic number, because the mean of its divisors is an integer number (2491850088).

Almost surely, 2^100201020320 is an apocalyptic number.

100201020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100201020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119608804224).

100201020320 is an abundant number, since it is smaller than the sum of its proper divisors (139016588128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100201020320 is a wasteful number, since it uses less digits than its factorization.

100201020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062 (or 5054 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 100201020320 its reverse (23020102001), we get a palindrome (123221122321).

The spelling of 100201020320 in words is "one hundred billion, two hundred one million, twenty thousand, three hundred twenty".